Method for preparing antibacterial non-woven fabrics based on nano-silver monoatomic antibacterial agent

A non-woven fabric and nano-silver technology, applied in non-woven fabrics, textiles and papermaking, rayon manufacturing, etc., can solve the problems of inability to obtain high antibacterial properties, limited antibacterial and antiviral properties, etc.

Active Publication Date: 2012-08-22
BEIJING CHAMGO NANO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The antibacterial and antiviral properties of these two antiviral agents ...

Method used

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  • Method for preparing antibacterial non-woven fabrics based on nano-silver monoatomic antibacterial agent
  • Method for preparing antibacterial non-woven fabrics based on nano-silver monoatomic antibacterial agent
  • Method for preparing antibacterial non-woven fabrics based on nano-silver monoatomic antibacterial agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] 1. Preparation of ultrafine silver elemental inorganic antibacterial agent powder

[0086] According to the record of Example 6 in the ZL 200910091031.1 instruction manual, a silver sol containing 16-38nm silver particles and a concentration of 10000ppm was prepared, and then spray-dried using the LDZ spray drying equipment of Wuxi Dongsheng Spray Granulation Drying Machinery Factory, and then used in Shanghai The LQ fluidized bed jet mill of Saishan Powder Machinery Manufacturing Co., Ltd. is used for pulverization and classification to produce ultrafine powder of pure silver elemental inorganic antibacterial agent with a particle size of 80-100nm.

[0087] 2. Preparation of elemental silver-containing antibacterial masterbatch

[0088] Get 10kg of the gained elemental silver antibacterial agent and add it to a high-speed mixer, then add 0.2kg of discoloration inhibitor natural hydrotalcite, and process it at a high speed for 15 minutes at a speed of 3000 rpm. Then add ...

Embodiment 2

[0092] 1. Preparation of ultrafine silver elemental inorganic antibacterial agent powder

[0093] According to the record of Example 5 in the ZL 200910091031.1 specification, a silver sol containing 10-35nm silver particles and a concentration of 5000ppm was prepared, dried with a nano-scale spray dryer from Buchi, Switzerland, and then produced by Qingdao Jingjing Micro Powder Equipment Co., Ltd. The QLM-3 airflow milling and classifying machine is used for crushing and classifying, and the pure silver elemental inorganic antibacterial agent is produced, and the particle size is 80-100nm.

[0094] 2. Preparation of elemental silver-containing antibacterial masterbatch

[0095] Get 3kg of elemental silver antibacterial agent and add it to a high-speed mixer, then add 0.015kg of calcined product [MgO. . Then add 0.5kg of coupling dispersant SG-Al821 distearoyloxyisopropyl aluminate, then add 85kg of PP resin, and mix with a high-speed mixer at a low speed of 600 rpm for 3 min...

Embodiment 3

[0099] 1. Preparation of ultrafine silver elemental inorganic antibacterial agent powder

[0100] According to the record of Example 7 in the ZL 200910091031.1 instruction manual, a silver sol containing 12-30nm silver particles with a concentration of 20000ppm was prepared, and after spray drying, it was pulverized and classified to obtain a pure silver elemental inorganic antibacterial agent with a particle size of 10-80nm .

[0101] 2. Preparation of elemental silver-containing antibacterial masterbatch

[0102] Get 20kg of elemental silver antibacterial agent and add it to a high-speed mixer, then add 1kg of discoloration inhibitor benzotriazole and 1kg of aluminum silicate, and process it at a high speed of 3500 rpm for 30 minutes. Then add 1 kg of aluminum-titanium composite coupling dispersant, then add 90 kg of PP resin, and mix at a low speed of 600 rpm for 5 minutes until the materials are evenly mixed. Release the material. Add the extruder to extrude and granula...

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Abstract

The invention relates to a method for preparing antibacterial non-woven fabrics based on a nano-silver monoatomic antibacterial agent, which comprises the following steps: taking a nano-silver colloid (patent number: ZL 200910091031.1), and drying and crushing the nano-silver colloid so as to obtain nano-silver monoatomic powder; then, mixing non-woven fabric spinning resin, the nano-silver monoatomic powder, a coupling/dispersing agent and a discoloration inhibitor, then carrying out granulation on the obtained mixture so as to obtain antibacterial agglomerates; and finally, carrying out conventional spinning on the antibacterial agglomerates so as to obtain an antibacterial non-woven fabric. According to the invention, the antibacterial agglomerate is good in spinnability in the process of producing non-woven fabrics, and compared with other types of antibacterial agglomerates, a screen replacing period and a spinning assembly replacing period are relatively long. An antibacterial non-woven fabric obtained by using the method disclosed by the invention, besides having all properties of common non-woven fabrics, has a good antibacterial effect and is high in hygiene and safety.

Description

【Technical field】 [0001] The invention relates to the technical field of antibacterial nonwoven fabrics. More specifically, the present invention relates to a method for preparing a non-woven fabric using nano-silver simple substance as an antibacterial agent, and the obtained antibacterial non-woven fabric. 【Background technique】 [0002] Non-woven fabric (non-woven fabric) is a new type of fiber product with soft, breathable and planar structure formed by short textile fibers or filaments through web forming method and consolidation technology. Nonwovens have broken through the traditional textile principles and have the characteristics of short process flow, fast production speed, high output, low cost and wide application. The main uses include medical, sanitary products, home decoration products, non-woven fabrics for clothing, non-woven fabrics for industrial use, non-woven fabrics for agricultural use, etc. As non-woven fabrics for medical and hygiene products and c...

Claims

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Application Information

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IPC IPC(8): D04H3/005D01F1/10
Inventor 李泽国崔辉仙李毕忠阳文路明洁苏尚海
Owner BEIJING CHAMGO NANO TECH
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